Question about 1997 Mercury Mountaineer

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Put stop leak in rad

Heater quite working is there a way to flush it out ,put new thermo in new water pump, still dont get hot,run great

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The only thing I can recommend is to put in a flush tee not the hose going to the water pump but the one going to the engine open up the radiator and drain that first then fill with water get some radiator flush and run the car about ten minutes drain that out using the flush tee and a garden hose and run till it is clear with the engine running after clear close drain plug on radiator and fill with antifreeze and make sure to get all air bubbles out and you should start getting some heat and if you don't after doing all this replace the heater core but check the hoses coming from the heater core to make sure one of them is not plugged

Posted on Jan 29, 2009

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Posted on Jan 02, 2017

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Flushed the heater core changed thermostat, water pump is good, changed fuse, heater was throwing heat but was over heating,checked radiator(flushed and added new fluid) now back to no heat


no, not special but you failed to stated engine, there are many engines.
and some are very tricky here, like 2.0L.
First state the symptoms,
your post states its overheating, then no heat. (why?)
old post. but others might
Ill post , overheating ,
Example if me, with overheat.
I see my dash gauge, show overheating and engine power drops and pings, then steam vents from the rad, cap?
Over heating (ill skip cab heater but on 2L this path blocked causes thermostat to go quite nuts. not posting engine, makes this hard.)
1: full of 50% AF (antifreeze)
2: new thermoSTAT they age and fail fast. so get a new one.
put STAT in with the wax slug down, and jiggle bleed pin forward.
get air out of system after filling, (RTM)
start car, and....
4: then using and IR pyro gun we then check that
the thermostat housing hits 170F min. but not too hot.
run motor till top rad hose gets too hot to touch 180f is normal.
I had to drive 10 miles, to get it up to 180F.
my car has the hotter, 195 STA,T so runs at 195f. (helps cooling)
USING the pyro gun , the top and bottom of each rad tube.
This tool is Amazing.... and saves burn hands.
if the bottom of any RAD tube is way less than the others?, that is
a clogged UP rad tube. solution is , NEW RAD.
Usually rad repairs, are more costly than new. IN USA.
The water pump must spin at full speed, belt tight.
The impeller or some suz, motors likes disappear. from electrolysis action. so not looking at the impeller is a FAILURE on the mechanic side.
if this car has 2.0 I-4 (4 banger) it has a coolant tube on the rear
of the STAT housing, this tube must flow coolant at all times.
if it dont, the thermostat , will go nuts.
nuts means, that insufficient flow passes the thermostat wax block
causing the thermostat to cycle in a wild and random way.
I dont like this design but is reality. If applicable.
post country, post engine type and state the symptoms.

Feb 16, 2013 | 2003 Suzuki Vitara

2 Answers

I have a 96 sl saturn. takes half an hour for my car to reach running temp. When i start driving the engine cools down so far, to the point i have no hot air for my heater. I replaced the thermastat, i...


replace the thermostant again this time get a hotter temp thermostant and buy it from the dealer, the other thing is that these cars are known for the temp sensors being bad this would give you the false reading on the gauge but would not affect the heat, if its taaking a long time then i would replace the stant and this time or before replacing the stant i want you to flush out the heater core, remove the hoses from the heatercore and use a water hose to flush water through the heater core, a plugged core will not throw heat or will start to allow water to flow when it gets good and hot to flow through the retricted core due to rust and crud, try the flush first and then try a new temp sensor if the flush helps the heat, hope this is helpful good luck.

Jan 07, 2011 | 1993 Saturn SL2

3 Answers

My 1998 buick century is leaking coolant from the engine where the water pump is mounted.


it could be a loos hose clip or the water pump, there is a gasket behind the water pump this could be leaking as well there is a quick fix you could try if its a clip or gasket leaking it should stop the leak,but it wont stop a water pump leaking ,,,,,,,,,,,
get some "rad seal" and tip it into the rad,,,not the header tank it go's right into the rad then top it up with water and run up the engine itll its hot after a short time the leak should stop,,fords put it in all there new cars and vans that come out there fatctorise,, so if its good for them to use it,, it must work?

Mar 09, 2010 | 1998 Buick Century

2 Answers

Heater not heating hot enough. heater core not


Good place to start is a cooling system flush and thermostat replaced.

Dec 28, 2009 | 1994 Ford F150 Styleside Supercab

2 Answers

1994 Honda Civic LX\overheating within 2 mile drive


Remove and raise upper hose at thermostat end and remove lower rad hose.
Fill rad with a hose and watch for flow from bottom rad hose and/ or bottom rad hose connecton.......water should fall though rad easily.
Honda rads are cheap.....any restriction....replace rad.

Remove thermostat....fill thermostat housing with hose and watch for water flow at bottom rad hose.
Flush good.

Remove heater hoses.......flush back and forth until a good flow is present "With heater control set to hot" if no or poor flow....replace heater core.

Stop leak can plug everything.

Also.......not likely causing over heating....but ....at your mileage,if you do not know if the timing belt has been changed.....CHANGE IT NOW!
Water pump is optional at this mileage.

Aug 23, 2009 | 1998 Honda Civic

1 Answer

HEATER does not work, flushed


IT SOUNDS TO ME THERE MAY BE AIR IN THE SYSTEM STOPPING WATER CIRCULATING ROUND THE HEATER MATRIX,TRY TAKING THE CAP OFF THE RAD TOP UP BOTTLE(when cold)WITH HEATER CONTROL ON HOT ,THEN RUN ENGINE UNTILL WATER IS HOT.REPLACE CAP AND TRY HEATER.

Mar 27, 2009 | 2002 Volkswagen Passat

1 Answer

No heat just warm air


I think you are on top of your problem,,you dont need any one elses advice.
Complete rebuild of the cooling and heating system,, simple.

Jan 19, 2009 | 2001 Oldsmobile Alero

2 Answers

Ford Windstar is running hot. 1995


try changing the fan clutch if you dont have any leaks. make sure there is nothing blocking the radiator or condensor. good luck

Nov 24, 2008 | 1995 Ford Windstar

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